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C++11 reverse range-based for-loop
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Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#include <iostream>
#include <boost/range/adaptor/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 1...
Python constructor and default value [duplicate]
...class below, the wordList and adjacencyList variable is shared between all instances of Node.
4 Answers
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Detecting endianness programmatically in a C++ program
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Is this solution really portable? What if CHAR_BIT != 8 ?
– zorgit
May 30 '15 at 20:12
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Sort Go map values by keys
...tween runs of the program. In practice, not only is it undefined, it's actually intentionally randomized. This is because it used to be predictable, and the Go language developers didn't want people relying on unspecified behavior, so they intentionally randomized it so that relying on this behavior...
Escaping ampersand in URL
...ter to 'escape' characters that aren't allowed in URLs. See [RFC 1738].
A table of ASCII values on http://www.asciitable.com/.
You can see & is 26 in hexadecimal - so you need M%26M.
share
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i...
Find MongoDB records where array field is not empty
All of my records have a field called "pictures". This field is an array of strings.
11 Answers
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Is Meyers' implementation of the Singleton pattern thread safe?
...d to as "Magic Statics" in the "C++11 Core Language Features: Concurrency" table here: msdn.microsoft.com/en-us/library/vstudio/hh567368.aspx
– olen_garn
Mar 27 '13 at 16:41
1
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How to add a progress bar to a shell script?
...}
done
If you already have a loop which does a lot of work, you can call the
following function at the beginning of each iteration to update the
spinner:
sp="/-\|"
sc=0
spin() {
printf "\b${sp:sc++:1}"
((sc==${#sp})) && sc=0
}
endspin() {
printf "\r%s\n" "$@"
}
until wor...
XmlSerializer: remove unnecessary xsi and xsd namespaces
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Since Dave asked for me to repeat my answer to Omitting all xsi and xsd namespaces when serializing an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the same example used for the other questio...
Why does changing 0.1f to 0 slow down performance by 10x?
...ond run the numbers are very close to zero.
Denormalized numbers are generally rare and thus most processors don't try to handle them efficiently.
To demonstrate that this has everything to do with denormalized numbers, if we flush denormals to zero by adding this to the start of the code:
_MM_...